I had a Celeron 433 (slot 1) back in the day. I ran it at a 75MHz bus speed that brought it up close to 500MHz without any issues. 83MHz would boot but wasn't reliable in Windows. I had a Voodoo3 3000 AGP though and not a PCI Voodoo 2, so YMMV if you decide to go the old school OC route. I remember …